4321438221253 has 8 divisors (see below), whose sum is σ = 4576296977280. Its totient is φ = 4066652410560.

The previous prime is 4321438221223. The next prime is 4321438221259. The reversal of 4321438221253 is 3521228341234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4321438221253 - 2⁹ = 4321438220741 is a prime.

It is a super-3 number, since 3×4321438221253³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321438221259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18114333 + ... + 18351346.

It is an arithmetic number, because the mean of its divisors is an integer number (572037122160).

Almost surely, 2^{4321438221253} is an apocalyptic number.

It is an amenable number.

4321438221253 is a deficient number, since it is larger than the sum of its proper divisors (254858756027).

4321438221253 is a wasteful number, since it uses less digits than its factorization.

4321438221253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36472667.

The product of its digits is 276480, while the sum is 40.

The spelling of 4321438221253 in words is "four trillion, three hundred twenty-one billion, four hundred thirty-eight million, two hundred twenty-one thousand, two hundred fifty-three".